Fujian power grid defense system 'three lines of defence' formed

by:Mings     2020-07-14
Recently, as the 'fujian smart backbone planning and construction of three lines of defence research' project through the review, marked the fujian power grid security add a security defense, 'three lines of defence' form the coordination defense system, guarantee the safe operation of power grid. < P> according to the national grid company development plan, 'twelfth five-year' period, north China - Between the central China power grid with east China power grid will be through the synchronization of uhv ac transmission lines connected to the Internet, 'three China' uhv ac synchronous networking power grid planning, operation and control for the future are also put forward new and higher requirements. In order to adapt to the development of future power grid, as well as to the power grid cope with new problems that may occur, fujian electric power company China electric power research institute to carry out the 'fujian smart backbone planning and construction of three lines of defence research' project research work. < / P> < P> 'fujian smart backbone planning and construction of three lines of defence research' project from the level of transmission capacity, the trend of the distribution, stability, space truss structure optimization, etc, comprehensive research of fujian power grid during the 'twelfth five-year' security features; Through to the typical 3 after severe disturbance of fujian power grid stability study and sum up, the instability of fujian power grid characteristics and out-of-step oscillation center position, put forward the able to untie and reliable out-of-step section and out-of-step power oscillation of the solutions listed device configuration scheme; Through a third line of defense research stability control measures, put forward the third line of defense in fujian power grid stability control measures configuration principle and configuration scheme, evaluated the oscillatory solution column, low frequency load shedding, low pressure reducing load, the role of the high frequency cutting machine and other measures; In combination with fujian power grid 'twelfth five-year' plan, put forward to improve the level of power grid security and stability of power grid structure and power distribution optimization Suggestions. < / P> < P> in fujian province electric power dispatching communication center wen-ying huang said, '' fujian smart backbone project planning and construction of three lines of defence research is relative stability in the state grid company guideline and under the guidance of technical regulations, in order to build a strong smart grid security defense system as the goal, gradually improve three lines of defence in fujian power grid stability control measures of configuration principle and configuration scheme, improve the accuracy of stability control decisions and maintain large provids collapse. '< / P> < P> it is understood that the third line of defense is a network security defense system of three lines of defence in the last line of defense, the main task is under serious or complicated power system fault, prevent accident expanding, to prevent the system crash, avoid long, widespread blackouts and the important user of catastrophic blackouts, lest cause huge economic loss and social influence. < / P>
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